145748Smckusick /*
2*63379Sbostic * Copyright (c) 1991, 1993
3*63379Sbostic * The Regents of the University of California. All rights reserved.
445748Smckusick *
545748Smckusick * This code is derived from software contributed to Berkeley by
645748Smckusick * The Mach Operating System project at Carnegie-Mellon University.
745748Smckusick *
848493Smckusick * %sccs.include.redist.c%
945748Smckusick *
10*63379Sbostic * @(#)vm_init.c 8.1 (Berkeley) 06/11/93
1148493Smckusick *
1248493Smckusick *
1348493Smckusick * Copyright (c) 1987, 1990 Carnegie-Mellon University.
1448493Smckusick * All rights reserved.
1548493Smckusick *
1648493Smckusick * Authors: Avadis Tevanian, Jr., Michael Wayne Young
1748493Smckusick *
1848493Smckusick * Permission to use, copy, modify and distribute this software and
1948493Smckusick * its documentation is hereby granted, provided that both the copyright
2048493Smckusick * notice and this permission notice appear in all copies of the
2148493Smckusick * software, derivative works or modified versions, and any portions
2248493Smckusick * thereof, and that both notices appear in supporting documentation.
2348493Smckusick *
2448493Smckusick * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
2548493Smckusick * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
2648493Smckusick * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
2748493Smckusick *
2848493Smckusick * Carnegie Mellon requests users of this software to return to
2948493Smckusick *
3048493Smckusick * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
3148493Smckusick * School of Computer Science
3248493Smckusick * Carnegie Mellon University
3348493Smckusick * Pittsburgh PA 15213-3890
3448493Smckusick *
3548493Smckusick * any improvements or extensions that they make and grant Carnegie the
3648493Smckusick * rights to redistribute these changes.
3745748Smckusick */
3845748Smckusick
3945748Smckusick /*
4045748Smckusick * Initialize the Virtual Memory subsystem.
4145748Smckusick */
4245748Smckusick
4353349Sbostic #include <sys/param.h>
4445748Smckusick
4553349Sbostic #include <vm/vm.h>
4653349Sbostic #include <vm/vm_page.h>
4753349Sbostic #include <vm/vm_kern.h>
4848386Skarels
4945748Smckusick /*
5045748Smckusick * vm_init initializes the virtual memory system.
5145748Smckusick * This is done only by the first cpu up.
5245748Smckusick *
5345748Smckusick * The start and end address of physical memory is passed in.
5445748Smckusick */
5545748Smckusick
vm_mem_init()5645748Smckusick void vm_mem_init()
5745748Smckusick {
5845748Smckusick extern vm_offset_t avail_start, avail_end;
5945748Smckusick extern vm_offset_t virtual_avail, virtual_end;
6045748Smckusick
6145748Smckusick /*
6245748Smckusick * Initializes resident memory structures.
6345748Smckusick * From here on, all physical memory is accounted for,
6445748Smckusick * and we use only virtual addresses.
6545748Smckusick */
6650545Smckusick vm_set_page_size();
6750935Swilliam vm_page_startup(&avail_start, &avail_end);
6850935Swilliam
6945748Smckusick /*
7045748Smckusick * Initialize other VM packages
7145748Smckusick */
7252198Smarc vm_object_init(virtual_end - VM_MIN_KERNEL_ADDRESS);
7348386Skarels vm_map_startup();
7445748Smckusick kmem_init(virtual_avail, virtual_end);
7545748Smckusick pmap_init(avail_start, avail_end);
7645748Smckusick vm_pager_init();
7745748Smckusick }
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